"it also clears out your lungs by forcing enough stale air out that it allows fresh air to enter into more areas of the lung. " 7. staying active "regular moderately intense activity is great for the lungs, and when you increase your daily activity you get three things done at once: healthy lungs, a healthier heart and a better mood," ryan says. Healthylungs are made of a spongy, pinkish-gray tissue. lungs that have become polluted with harmful carcinogens (substances that cause cancer) or carbon particles appear to have blacked spots on the surface. healthy lungs are elastic so they can expand when you exhale. in contrast, a disease like emphysema causes the lungs to lose their. The lungs are the center of the respiratory (breathing) system. every cell of the body needs oxygen to stay alive and healthy. your body also needs to get rid of carbon dioxide. How Your Lungs Work Cleveland Clinic unlike hla, mr1 does not vary in the human population meaning it is a hug...